Finding the Fourth Proportional to 196.93, 271.62 and 131.42

Step by Step Solution

1. Step 1: Write the proportion equation
   196.93 : 271.62 = 131.42 : x
2. Step 2: Convert to fraction form
   196.93/271.62 = 131.42/x
3. Step 3: Cross multiply
   196.93x = 271.62 × 131.42
4. Step 4: Simplify right side
   196.93x = 35,696.30
5. Step 5: Solve for x
   x = 35,696.30/196.93
6. Step 6: Final answer
   x = 181.27